About HR 7422
HR 7422 is an epic variable star. It lies about 423 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 5.89 and has spectral type A5IV-III.
Its spectrum reads A5IV-III — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.